Digging this AR version of Angry Birds, which appears to be a proof-of-concept from PendAR.

First there's the cool factor. But what's significant is how this happens - through a technology called "markerless augmented reality," which enables developers to code in an image to use as a play field.

One day, I'd love to see this writ large - where these kinds of things are projected on a large scale for all around to see, not just the player on a mobile device, ala a Live AR experience.